.#.#.              
                  .. #.              
                   ....        .     
       #            #..       .# #   
       ..            ...#    #....   
       ...           ##..   ....#.   
        ..##         #. ####.#.#.#   
      .#....#####       #.#...#..§   
      # .#..#...# ### ###....#..§##  
      ##   .. # ....# #.#..#.#.##.#  
    ≈ ......#  #....#.###.........   
       .  ## #..##...#..§#.w.#..§.   
        #  .. ..  ..#...#..X#x##.#   
   # .   .#..# #..#..###.###w..#     
       ..# ### ##...#.#.###...#.#    
        #. #     ##...## #..#..#..   
.    .. . #.#   .#..### .#####.#∩..# 
      .#  ###  .#  ..    #    .# ...#
  .  #   . #  .#  #.          ## ..##
     . #. #.                      #. 
     ..  .# .#                     ##
         ..#  .                      
 .     .                             
     .    ...                        
.     # ###  ..                      
     .   .  .                        
         ### .                       
   . ##                              
  #  #